Radiation effects on the surfaces of the Galilean satellites

نویسندگان

  • R. E. Johnson
  • R. W. Carlson
  • J. F. Cooper
  • C. Paranicas
  • M. H. Moore
  • M. C. Wong
چکیده

The surfaces of Jupiter’s moons are profoundly weathered by jovian charged particle and solar ultraviolet (UV) irradiation. Although early observations of the Galilean satellites suggested that their reflectance spectra were modified by energetic particles, it has only recently been shown quantitatively that radiolysis and photolysis, the chemical alteration of a surface by charge-particles and by the solar UV, are in fact occurring on the surfaces of these moons.

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تاریخ انتشار 2004